/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
 *@filename: item/unit.h
 */

#ifndef _ITEM_UINT_H_
#define _ITEM_UINT_H_

#include <item/int.h>

class Item_uint :public Item_int
{
public:
  Item_uint(const char *str_arg, uint32_t length);

  Item_uint(uint64_t i) :Item_int((uint64_t) i, 10) {}

  Item_uint(const char *str_arg, int64_t i, uint32_t length);

  double val_real()
    { assert(fixed == 1); return uint64_t2double((uint64_t)value); }

  String *val_str(String*);

  Item *clone_item() { return new Item_uint(name, value, max_length); }

  int save_in_field(Field *field, bool no_conversions);

  virtual void print(String *str, enum_query_type query_type);

  Item_num *neg ();

  uint32_t decimal_precision() const { return max_length; }

  bool check_vcol_func_processor(unsigned char *)
  { return false; }
};

#endif /* _ITEM_UINT_H_ */
